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For questions about altimetry, techniques, applications, Aviso+ data, as well as problems concerning the website, contact the AVISO+ User Helpdesk.

Since May 2015, the Copernicus Marine and Environment Monitoring Service (CMEMS) has taken over the whole processing and distribution of the multi-mission along-track or gridded Sea Level Anomalies Height and Absolte Dynamic Topoghraphy and derived products (SLA-H, ADT-H, MSLA-H, MADT-H, MSLA-UV and MADT-UV) except for the Mozambique area and the MSLA climatologies and means which are stil disseminated by Aviso+. Consequently, for any question concerning these products, please contact the CMEMS Service Desk.


Since July 2019, the Copernicus Marine and Environment Monitoring Service (CMEMS) has taken over the whole processing and distribution of the multi-mission gridded Wave products. Consequently, for any question concerning these products, please contact the CMEMS Service Desk.

For questions regarding the Aviso+ data, please try to be as precise as possible, mentioning the product you're using, your general background (what you're trying to do), etc. For problems of connection, errors and such, please send us the error messages you're getting, and tell us the software you're using. This will help us answer more rapidly, and to the point.

See also the FAQs

Aviso User Service
CLS/DOS, 11 rue Hermès,
Parc Technologique du Canal
F-31520 Ramonville St-Agne, France


The only information that Aviso  obtains about a user to its Site is information supplied voluntarily by the user. This means that you can visit the Aviso Site without identifying who you are or revealing any information about yourself.

Some Aviso services request specific user information, such as name and email address, and the user may decide whether to voluntarily supply that information. According to the law n° 78-17 "Informatique et Libertés/software and freedoms", you have the right to access the information as well as to rectify and delete data that concerns you personally on this site. Contact the AVISO+ User Helpdesk for this.

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